Thioglycolic acid
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CAS
68-11-1
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HSCH2COOH
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RTECS
AI5950000
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Synonyms & Trade Names
Acetyl mercaptan, Mercaptoacetate, Mercaptoacetic acid, 2-Mercaptoacetic acid, 2-Thioglycolic acid, Thiovanic acid
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DOT ID & Guide
1940 / 153
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Exposure
Limits
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NIOSH REL: TWA 1 ppm (4 mg/m3) [skin]
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 3.77 mg/m3
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Physical Description
Colorless liquid with a strong, disagreeable odor characteristic of mercaptans. [Note: Olfactory fatigue may occur after short exposures.]
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MW: 92.1
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BP: ?
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FRZ: 2°F
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Sol: Miscible
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VP(64°F): 10 mmHg
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IP: ?
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Sp.Gr: 1.32
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Fl.P: >230°F
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UEL: ?
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LEL: 5.9%
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Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
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Incompatibilities & Reactivities
Air, strong oxidizers, bases, active metals (e.g., sodium potassium, magnesium, calcium) [Note: Readily oxidized by air.]
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Measurement Methods
None available
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, nose, throat; lacrimation (discharge of tears), corneal damage; skin burns, blisters; in animals: lassitude (weakness, exhaustion); gasping respirations; convulsions
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION
See ICSC CARD: 0915 |
